Difference between revisions of "Sinclair ZX81 emulators"

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(Undo revision 23978 by Windows 10 (talk)that page is shit)
(Added 4 old emus & links to info on few old emus. Added mobile filter.)
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! scope="col"|[[libretro|Libretro Core]]
 
! scope="col"|[[libretro|Libretro Core]]
 
! scope="col"|Active
 
! scope="col"|Active
! scope="col"|Relative Speed<ref>As calculated by Carlo Delhez's clkfreq, originally distributed with his XTender emulator. The ZX81 has relatively complicated timing mechanics, depending on signalling of WAIT during NMI; relative speed is a measurement of how closely an emulator matches a real machine in terms of clock cycles spent processing within a frame. 100.0% denotes the same execution speed as a real machine.</ref>
+
! scope="col"|Relative Speed<ref group=N name=RelativeSpeed>As calculated by Carlo Delhez's clkfreq, originally distributed with his XTender emulator. The ZX81 has relatively complicated timing mechanics, depending on signalling of WAIT during NMI; relative speed is a measurement of how closely an emulator matches a real machine in terms of clock cycles spent processing within a frame. 100.0% denotes the same execution speed as a real machine.</ref>
 
! scope="col"|[[Recommended Emulators|Recommended]]
 
! scope="col"|[[Recommended Emulators|Recommended]]
 
|-
 
|-
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|{{✗}}
 
|{{✗}}
 
|-
 
|-
|SZ81
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|[https://sourceforge.net/projects/sz81/ SZ81] <br/><small>(xz80 & z81 based)</small>
|UNIX, Windows, [[Amiga emulators|Amiga]]
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|UNIX, Windows, [[Amiga emulators|Amiga]]<br />Linux, Windows, macOS
|[http://sz81.sourceforge.net/ 2.1.7]
+
|[http://sz81.sourceforge.net/#downloads 2.1.7] <br/>[http://rullf2.xs4all.nl/sz81/ 2.3.9]
 
|{{✗}}
 
|{{✗}}
 
|{{✗}}
 
|{{✗}}
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|{{✓}}
 
|{{✓}}
 
|Not tested
 
|Not tested
 +
|{{✗}}
 +
|-
 +
|[[No$|No$ZX]]
 +
|Windows, DOS
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|[http://problemkaputt.de/zx.htm 2.0]
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|{{✗}}
 +
|{{✗}}
 +
|Not tested
 +
|{{~}}
 +
|-
 +
|[http://zxplanet.emuunlim.com/mme-review.htm MTMW] <br/><small>(aka 'MulTiMachine')</small>
 +
|Windows
 +
|[https://www.zophar.net/sinclair/multi-machine.html 1.30b]
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|{{✗}}
 +
|{{✗}}
 +
|Not tested
 +
|{{~}}
 +
|-
 +
|[http://zxplanet.emuunlim.com/xtender-review.htm XTender2]
 +
|DOS
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|[http://www.zx81.nl/ beta 13]
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|{{✗}}
 +
|{{✗}}
 +
|Not tested
 +
|{{✗}}
 +
|-
 +
|[http://www.retroisle.com/sinclair/zx81/emulators.php ZX81 Emulator] <br/><small>(Paul Robson)</small>
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|DOS
 +
|[http://www.zx81.nl/ 4.00]
 +
|{{✗}}
 +
|{{✗}}
 +
|Not tested
 +
|{{✗}}
 +
|-
 +
! colspan="7"|Mobile
 +
|-
 +
|[https://sourceforge.net/projects/sz81/ SZ81] <br/><small>(xz80 & z81 based)</small>
 +
|[[wikipedia:Sharp Zaurus|Sharp Zaurus]], <br/>GPH GP2X/Wiz, <br/>Dingoo A320
 +
|[http://sz81.sourceforge.net/#downloads 2.1.7]
 +
|{{✗}}
 +
|{{✗}}
 +
|100.0%
 
|{{✗}}
 
|{{✗}}
 
|}
 
|}
  
{{reflist}}
+
<references group=N />
 +
 
 +
==Notes==
 +
 
 +
* [http://www.retroisle.com/sinclair/zx81/emulators.php www.retroisle.com] (Page showing five old emulators for ZX81, and sometimes the Spectrum and other machines)
 +
* [https://www.worldofspectrum.org/faq/emulators/other.htm www.worldofspectrum.org's list] (Short list of old Science of Cambridge MK-14, ZX80, ZX81 / TS1000, Sinclair QL and Jupiter ACE emulators)
 +
* [http://zx81.eu5.org/emulators.htm zx81.eu5.org] (Brazilian ZX81 fan-site - emulators list page is in English. Shows list of old ZX81 emulators & links to other resources.)
  
 
[[Category:Computers]]
 
[[Category:Computers]]

Revision as of 00:10, 18 December 2018

Sinclair ZX81
1024px-Sinclair-ZX81.png
Developer Sinclair Research
Type Computers
Generation Z80-based home computers
Release date 1981
Discontinued 1984
Predecessor Sinclair ZX80
Successor ZX Spectrum
Emulated

The ZX81 was a Z80-based home computer produced by Sinclair Research and manufactured in Scotland by Timex Corporation.

It was the successor to Sinclair's ZX80 and the predecessor of the ZX Spectrum and was hugely successful, and more than 1.5 million units were sold before it was discontinued. The ZX81 was designed to be small, simple, and above all cheap, using as few components as possible to keep the cost down.

Video output was to a television set rather than a dedicated monitor. Programs and data were loaded and saved onto audio tape cassettes. It had only four silicon chips on board and a mere 1 KB of memory. The machine had no power switch or any moving parts and used a pressure-sensitive membrane keyboard for manual input.

Its distinctive design brought its designer, Rick Dickinson, a Design Council award. The ZX81 could be bought by mail order in kit form or pre-assembled. It was the first cheap mass-market home computer that could be bought from high street stores, led by W.H. Smith and soon many other retailers.

The ZX81 marked the first time that computing in Britain became an activity for the general public, rather than the preserve of businesspeople and electronics hobbyists. The ZX81's commercial success made Sinclair Research one of Britain's leading computer manufacturers and earned a fortune and an eventual knighthood for the company's founder, Sir Clive Sinclair.

Emulators

PC
Name Operating System(s) Latest Version Libretro Core Active Relative Speed[N 1] Recommended
EightyOne Windows 1.12 114.3%
ZEsarUX Multi-platform 7.1 110.9%
CLK macOS and UNIXalikes Template:Clkver 100.0%
SZ81
(xz80 & z81 based)
UNIX, Windows, Amiga
Linux, Windows, macOS
2.1.7
2.3.9
100.0%
MAME Multi-platform 0.264 Not tested
No$ZX Windows, DOS 2.0 Not tested ~
MTMW
(aka 'MulTiMachine')
Windows 1.30b Not tested ~
XTender2 DOS beta 13 Not tested
ZX81 Emulator
(Paul Robson)
DOS 4.00 Not tested
Mobile
SZ81
(xz80 & z81 based)
Sharp Zaurus,
GPH GP2X/Wiz,
Dingoo A320
2.1.7 100.0%
  1. As calculated by Carlo Delhez's clkfreq, originally distributed with his XTender emulator. The ZX81 has relatively complicated timing mechanics, depending on signalling of WAIT during NMI; relative speed is a measurement of how closely an emulator matches a real machine in terms of clock cycles spent processing within a frame. 100.0% denotes the same execution speed as a real machine.

Notes

  • www.retroisle.com (Page showing five old emulators for ZX81, and sometimes the Spectrum and other machines)
  • www.worldofspectrum.org's list (Short list of old Science of Cambridge MK-14, ZX80, ZX81 / TS1000, Sinclair QL and Jupiter ACE emulators)
  • zx81.eu5.org (Brazilian ZX81 fan-site - emulators list page is in English. Shows list of old ZX81 emulators & links to other resources.)